Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5864256 | Circuit arrangement with a filter quadripole | Burkhard Dick, Manfred Biehl, Winfried Jansen, Bernd Pille | 1999-01-26 |
NW
Norbert Wirges
Overall (All Time): #3,640,275 of 4,157,543Top 90%
1
Patents All Time